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99187-06-1

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99187-06-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99187-06-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,8 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99187-06:
(7*9)+(6*9)+(5*1)+(4*8)+(3*7)+(2*0)+(1*6)=181
181 % 10 = 1
So 99187-06-1 is a valid CAS Registry Number.

99187-06-1Relevant articles and documents

Method for promoting iron-catalyzed oxidation of aromatic compound carbon - hydrogen bond to synthesize phenol by ligand

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Paragraph 0096-0097; 0128, (2021/09/21)

The method comprises the following steps: iron is used as - a catalyst metal; a sulfur-containing amino acid or cystine-derived dipeptide is a ligand; and under the common action of hydrogen peroxide as an oxidizing agent, an aromatic compound is synthesized to prepare a phenol. Under the action of an acid as an accelerant and hydrogen peroxide as an oxidizing agent, the aryl carbon - hydrogen bond is directly hydroxylated to form a phenolic compound, and the method for preparing the phenol by the catalytic oxidation reaction has a plurality of advantages. The reaction raw materials, the oxidant and the promoter are wide in source, low in price, environment-friendly and good in stability. The aromatic compound carbon - hydrogen bonds directly participate in the reaction to react in one step to form phenol. The reaction condition is mild, the functional group compatibility and the application range are wide. The reaction selectivity is good; under the optimized reaction conditions, the target product separation yield can reach 85%.

Sequential removal of photolabile protecting groups for carbonyls with controlled wavelength

Wang, Pengfei,Wang, Yun,Hu, Huayou,Spencer, Cierra,Liang, Xing,Pan, Lurong

, p. 6152 - 6157 (2008/12/22)

(Chemical Equation Presented) A group of robust and easy-to-make photolabile protecting groups (PPGs) for carbonyl compounds has been developed. Sequential removal of different PPGs is achieved via control of irradiation wavelength.

A new stilbene glucoside from a Chinese crude drug 'Heshouwu', (root of Polygonum multiflorum Thunb) (Japanese)

Hata,Kozawa,Baba

, p. 211 - 213 (2007/10/05)

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